參數(shù)資料
型號: P95020NQG
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 電源管理
英文描述: 2-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC132
封裝: 10 X 10 MM, 0.85 MM HEIGHT, QFN-132
文件頁數(shù): 109/169頁
文件大?。?/td> 4297K
代理商: P95020NQG
IDTP95020
Product Datasheet
September 2, 2011 Revision 1.3 Final
44
2011 Integrated Device Technology, Inc.
ADC0 Analog Input Gain (Volume Control) Registers (ADC0x_IN_AGAIN)
These registers manage the input signal volume for ADC0, Left and Right respectively.
-
The MSB, bit D7, of each register is the mute bit. When this bit is set, the output of the gain stage is silent. Muting
the amplifier does not stop the ADC capture stream.
-
There are 16 gain selections from 22.5 dB to 0 dB. The step size is 1.5 dB.
ADC0L_IN_AGAIN: IC Address = Page-1: 176(0xB0), C Address = 0xA1B0
Table 58. ADC0 Analog Input Gain (Volume Control) Register (Left)
BIT
BIT NAME
DEFAULT SETTING USER TYPE VALUE
DESCRIPTION / COMMENTS
[3:0] A0VL
0h
RW
0h = 0 dB gain
Fh = 22.5 dB gain
Left Analog Input Gain Control
[6:4] RESERVED 000b
RW
RESERVED
7
MUTE_L
1b
RW
0 = Not Muted
1 = Muted
Left Mute
ADC0R_IN_AGAIN: IC Address = Page-1: 177(0xB1), C Address = 0xA1B1
Table 59. ADC0 Analog Input Gain (Volume Control) Register (Right)
BIT
BIT NAME
DEFAULT SETTING USER TYPE VALUE
DESCRIPTION / COMMENTS
[3:0] A0VR
0h
RW
0h = 0dB gain
Fh = 22.5 dB gain
Right Analog Input Gain Control
[6:4] RESERVED 000b
RW
RESERVED
7
MUTE_R
1b
RW
0 = Not Muted
1 = Muted
Right Mute
ADC0 Analog Input Selection Register (ADC0_MUX)
This register selects the input source for ADC0. ADC0 my record the line input or the mixer output.
ADC0_MUX: IC Address = Page-1: 178(0xB2), C Address = 0xA1B2
Table 60. ADC0 Analog Input Selection Register
BIT
BIT NAME
DEFAULT SETTING USER TYPE VALUE
DESCRIPTION / COMMENTS
0
A0LSEL0
0b
RW
0=Line Input
1=Mixer Input
Left Analog Input Select
[3:1] RESERVED 000b
RW
RESERVED
4
A0RSEL0
0b
RW
0=Line Input
1=Mixer Input
Right Analog Input Select
[7:5] RESERVED 000b
RW
RESERVED
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